<?php

namespace app\admin\controller\Product;

use app\common\controller\Backend;
use app\common\model\Product\Product as ProductProduct;
use app\common\model\Product\Prop;
use app\common\model\Product\Relation;
use app\common\model\Product\Type;
use app\common\model\Product\Unit;
use Exception;
use think\Db;
use think\exception\ValidateException;
use think\exception\PDOException;

/**
 * 商品管理
 *
 * @icon fa fa-circle-o
 */
class Product extends Backend
{

    /**
     * Product模型对象
     * @var \app\admin\model\product\Product
     */
    protected $model = null;
    protected $typeModel = null;
    protected $unitModel = null;
    protected $relationModel = null;
    protected $propModel = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new ProductProduct();
        $this->relationModel = new Relation();
        $this->propModel = new Prop();
        $this->view->assign("flagList", $this->model->getFlagList());
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->typeModel = new Type();
        $this->unitModel = new Unit();
        $this->assignconfig("typeList", $this->typeModel->getTypeList());
        $this->assignconfig("unitList", $this->unitModel->getUnitList());
        $this->request->filter('trim');
        $this->relationSearch = true;
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

     public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }

        $filter = json_decode($this->request->get('filter'),true);
        $op = json_decode($this->request->get('op'),true);
         if (isset($filter['type_text'])){
             $filter['type.id'] = $filter['type_text'];
             $op['type.id'] = $op['type_text'];
             unset($filter['type_text']);
             unset($op['type_text']);
         }
        if (isset($filter['unit_text'])){
            $filter['unit.id'] = $filter['unit_text'];
            $op['unit.id'] = $op['unit_text'];
            unset($filter['unit_text']);
            unset($op['unit_text']);
        }
         $this->request->get(['filter'=>json_encode($filter)]);
         $this->request->get(['op'=>json_encode($op)]);

        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->with(['type','unit'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $typeList = build_select('row[typeid]',$this->typeModel->column('id,name'),['id'=>$row['typeid']],['class'=>'selectpicker', 'required'=>'']);
            $this->assign('typeList',$typeList);
            $unitList = build_select('row[unitid]',$this->unitModel->column('id,name'),['id'=>$row['unitid']],['class'=>'selectpicker', 'required'=>'']);
            $this->assign('unitList',$unitList);
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    public function add()
    {
        if (false === $this->request->isPost()) {
            $typeList = build_select('row[typeid]',$this->typeModel->column('id,name'),[],['class'=>'selectpicker', 'required'=>'']);
            $this->assign('typeList',$typeList);
            $unitList = build_select('row[unitid]',$this->unitModel->column('id,name'),[],['class'=>'selectpicker', 'required'=>'']);
            $this->assign('unitList',$unitList);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }
    
    public function prop($ids = null)
    {
        $row = $this->relationModel->where('proid',$ids)->select();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $attrs = $this->typeModel->get($this->model->get($ids)['typeid'])['attrs'];
            $attrList = $this->propModel->where('id','in',$attrs)->column('id,title');
            $this->assign('props',$attrList);
            $propValues = [];
            foreach(array_keys($attrList) as $propid)
            {
                $propValues[$propid] = [];
                foreach(json_decode($this->propModel->get($propid)['value']) as $value)
                {
                    $propValues[$propid][$value] = $value;
                }
            }
            $this->assign('propValues',$propValues);
            $prePropList = [];
            foreach($attrList as $id=>$attr)
            {
                $prePropList[$id] = [];
            }
            foreach($row as $relation)
            {
                $preid = $relation['propid'];
                $prePropList[$preid][] = ['value'=>$relation['value'],'price'=>$relation['price']];
            }
            //  halt($prePropList);
            $this->view->assign('prePropList', $prePropList);
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            foreach($row as $relation)
            {
                $relation->delete();
            }
            $data = [];
            foreach(array_keys($params['attrs']) as $propid)
            {
                $valueList = $params['attrs'][$propid];
                $priceList = $params['price'][$propid];
                foreach($valueList as $index=>$value)
                {
                    $data[] = [
                        'proid'=>$ids,
                        'propid'=>$propid,
                        'value'=>$value,
                        'price'=>$priceList[$index],
                    ];
                }
            }
            $values = [];
            $data = array_filter($data, function ($item) use (&$values) {
                if(in_array($item['value'],$values))
                {
                    return false;
                }else{
                    $values[] = $item['value'];
                    return true;
                }
            });
            $result = $this->relationModel->saveAll($data);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }
}
